Question 1

Louis Pasteur's experiment illustrated that:

Accepted Answer

A) microbes will grow spontaneously in a nutrient broth that has been sterilized and sealed. 
B) only some organisms can form spontaneously in nutrient broth. 
C) life began by chemical evolution. 
D) some complex molecules associated with living organisms can be synthesized by heating and cooling a solution of simple molecules and providing an electric spark. 
E) microbes will not grow in a nutrient broth that has been sterilized unless air is allowed to enter the vessel through an opening. 
A) microbes will grow spontaneously in a nutrient broth that has been sterilized and sealed. 
B) only some organisms can form spontaneously in nutrient broth. 
C) life began by chemical evolution. 
D) some complex molecules associated with living organisms can be synthesized by heating and cooling a solution of simple molecules and providing an electric spark. 
E) microbes will not grow in a nutrient broth that has been sterilized unless air is allowed to enter the vessel through an opening.

Question 2

The first animals to moved onto land were ________.

Accepted Answer

The answer of The first animals to moved onto land...

Question 3

The idea that river mud left in the sun will turn into frogs illustrates:

Accepted Answer

A) the endosymbiont theory. 
B) prebiotic evolution. 
C) spontaneous generation. 
D) self-replication. 
E) how prokaryotes evolve. 
A) the endosymbiont theory. 
B) prebiotic evolution. 
C) spontaneous generation. 
D) self-replication. 
E) how prokaryotes evolve.

Question 4

-Based on the graph, if 60% of the original 40K remains in a sample of basalt, what is the approximate age of the rock?

Accepted Answer

A) 1 billion years old 
B) 2 billion years old 
C) 3 billion years old 
D) 4 billion years old 
E) 5 billion years old 
A) 1 billion years old 
B) 2 billion years old 
C) 3 billion years old 
D) 4 billion years old 
E) 5 billion years old

Question 5

Which of the following is assumed to be more primitive than a dinosaur and more complex than a shark?

Accepted Answer

A) starfish 
B) segmented worm 
C) crayfish 
D) chicken 
E) frog 
A) starfish 
B) segmented worm 
C) crayfish 
D) chicken 
E) frog

Question 6

The theory that life began in the distant past from nonliving molecules that became able to reproduce themselves is called:

Accepted Answer

A) prebiotic evolution. 
B) prehistoric evolution. 
C) natural selection. 
D) spontaneous evolution. 
E) endosymbiont evolution. 
A) prebiotic evolution. 
B) prehistoric evolution. 
C) natural selection. 
D) spontaneous evolution. 
E) endosymbiont evolution.

Question 7

The extinction of the dinosaurs is thought to be due to a massive meteorite impact. True or False?

Accepted Answer

A) True 
 B)False

Question 8

Which arthropod characteristic "pre-adapted" them to life on land?

Accepted Answer

A) multiple legs 
B) compound eyes 
C) exoskeleton 
D) open circulatory system 
E) antennae 
A) multiple legs 
B) compound eyes 
C) exoskeleton 
D) open circulatory system 
E) antennae

Question 9

The fossil evidence indicates that amphibians evolved from ________.

Accepted Answer

The answer of The fossil evidence indicates that amphibians evolved...

Question 10

The hobbit-sized hominin whose fossilized remains were recently discovered on a remote oceanic island belonged to the species:

Accepted Answer

A) Homo erectus. 
B) Homo habilis. 
C) Homo sapiens. 
D) Homo neanderthalensis. 
E) Homo floresiensis. 
A) Homo erectus. 
B) Homo habilis. 
C) Homo sapiens. 
D) Homo neanderthalensis. 
E) Homo floresiensis.

Question 11

Multicellularity enables organisms to:

Accepted Answer

A) be photosynthetic. 
B) undergo aerobic respiration. 
C) be big. 
D) be fast. 
E) reproduce more efficiently. 
A) be photosynthetic. 
B) undergo aerobic respiration. 
C) be big. 
D) be fast. 
E) reproduce more efficiently.

Question 12

Which group of vertebrates was the first to evolve a waterproof egg, which allowed the group to move away from water, deeper onto dry land?

Accepted Answer

A) lobefins 
B) mammals 
C) birds 
D) primates 
E) reptiles 
A) lobefins 
B) mammals 
C) birds 
D) primates 
E) reptiles

Question 13

Most scientists attribute the mass extinction of the dinosaurs to:

Accepted Answer

A) sunspots. 
B) gradual climate change. 
C) meteorite impact. 
D) predation by mammals. 
E) sea-level change. 
A) sunspots. 
B) gradual climate change. 
C) meteorite impact. 
D) predation by mammals. 
E) sea-level change.

Question 14

Modern invertebrates first appear in the fossil record during the:

Accepted Answer

A) Precambrian era. 
B) Silurian period. 
C) Cambrian period. 
D) Devonian period. 
E) cyanobacteria. 
A) Precambrian era. 
B) Silurian period. 
C) Cambrian period. 
D) Devonian period. 
E) cyanobacteria.

Question 15

Explain why an organism that carries on aerobic metabolism has an advantage over an organism that uses anaerobic metabolism.

Accepted Answer

Aerobic metabolism produces greater amou

Question 16

RNA can act like an enzyme. True or False?

Accepted Answer

A) True 
 B)False

Question 17

Eggs and scales enabled reptiles to dominate land during the Permian period. True or False?

Accepted Answer

A) True 
 B)False

Question 18

While exploring a sulfur spring, a scientist finds a new organism. It is single-celled, lacks a cell wall, has a few internal membranes, and appears to have set up a symbiotic relationship with a species of free-living purple sulfur bacteria that are common in the spring. There are no other organisms within it. This new organism would be considered a(n):

Accepted Answer

A) prokaryote. 
B) living intermediate. 
C) aerobe. 
D) eukaroyote. 
A) prokaryote. 
B) living intermediate. 
C) aerobe. 
D) eukaroyote.

Question 19

The first land plants were restricted to moist, marshy environments because of:

Accepted Answer

A) the need for stem support. 
B) the lack of a cuticle. 
C) reproductive cell requirements. 
D) the need for nutrients. 
E) sensitivity to sunlight. 
A) the need for stem support. 
B) the lack of a cuticle. 
C) reproductive cell requirements. 
D) the need for nutrients. 
E) sensitivity to sunlight.

Exam 17: The History of Life

Louis Pasteur's experiment illustrated that:

The first animals to moved onto land were ________.

The idea that river mud left in the sun will turn into frogs illustrates:

-Based on the graph, if 60% of the original 40K remains in a sample of basalt, what is the approximate age of the rock?

Which of the following is assumed to be more primitive than a dinosaur and more complex than a shark?

The theory that life began in the distant past from nonliving molecules that became able to reproduce themselves is called:

The extinction of the dinosaurs is thought to be due to a massive meteorite impact. True or False?

Which arthropod characteristic "pre-adapted" them to life on land?

The fossil evidence indicates that amphibians evolved from ________.

The hobbit-sized hominin whose fossilized remains were recently discovered on a remote oceanic island belonged to the species:

Multicellularity enables organisms to:

Which group of vertebrates was the first to evolve a waterproof egg, which allowed the group to move away from water, deeper onto dry land?

Most scientists attribute the mass extinction of the dinosaurs to:

Modern invertebrates first appear in the fossil record during the:

Explain why an organism that carries on aerobic metabolism has an advantage over an organism that uses anaerobic metabolism.

RNA can act like an enzyme. True or False?

Eggs and scales enabled reptiles to dominate land during the Permian period. True or False?

The first land plants were restricted to moist, marshy environments because of:

An Introduction to Life on Earth

Atoms, Molecules, and Life

Biological Molecules

Cell Structure and Function

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Capturing Solar Energy: Photosynthesis

Harvesting Energy: Glycolysis and Cellular Respiration

The Continuity of Life: Cellular Reproduction

Patterns of Inheritance

Dna: the Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

Systematics: Seeking Order Amidst Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Diversity Ii: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

How Do Ecosystems Work

Earths Diverse Ecosystems

Conserving Earths Biodiversity

Homeostasis and the Organization of the Animal Body

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

The Senses

Action and Support: the Muscles and Skeleton

Animal Reproduction

Animal Development

Plant Anatomy and Nutrient Transport

Plant Reproduction and Development

Plant Responses to the Environment

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